Low loss microwave coaxial cable


Technical Data:

1. Inner conductor: Silverplated copper

2. Insulation: Low density PTFE

3. Braid: Silverplated copper tape

4. Tape: Spiral wrapped AL-Plastic composite tape

5. Shield: Silverplated copper braiding

6. Jacket: Extruded FEP



Technical Data:

^ Cable Type: SFCF-50-4.2-51

Similar overseas type: Astro-32055

Envirenment temperature: -55~85° C

Install laying temperature: Above -35° C


^ Electrical Characteristics:

1) Impedance (Ω ): 50± 2.0

2) Velocity of Propagation (%): 85

3) Max. Operating frequency (GHZ): 37

4) Capacitance (pF/m): 84

5) Screening effectiveness (dB@1GHZ): -100

6) Outer diameter (mm): 6

7) Min. Bending radius (mm): 30

8) Weight, max. (g/m): 80

9) Standing wave (2.5m subassenbly) 0~2GHZ, S≤ 1.10; 2~6GHZ, S≤ 1.25; 6~20GHZ, S≤ 1.35


^ Attenuation at 25° C

Frequency dB/m W

1) 1 GHZ: 0.27 500

2) 3 GHZ: 0.47 277

3) 6 GHZ: 0.69 189

4) 10 GHZ: 0.92 142

5) 18 GHZ: 1.30 100


^ Name: SFCF46-50 type low density PTFE insulated wide temperature, low loss microwve coaxial cable

^ Usage: This cable is mainly used for heavy microwave transmission line of military electronic equipments like communication, tracking, precaution, electronic countermeasure and navigation etc. Under high temperature conditions.

^ Feature: Wide frequency band, low standing wave, low loss, high screening and high average power.


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